1. Power Diode and Thyristor Circuits;Davis,1971
2. Power Electronics, Converters, Applications, and Design;Mohan,1995
3. Power Electronics, Circuits, Devices, and Applications;Rashid,2004
4. P. Vinciarelli, Forward Converter Switching at Zero Current. U.S. Patent 4,416,959, November 1983.
5. High-Frequency Resonant, Quasi-Resonant and Multi-Resonant Converters;Lee,1991